Carolyn Shaw is 27. - She works as an accountant for an oil company. - Her salary next year will be $80,000. - She expects to receive a 5 percent raise each year until she retires at age of 65. - Carolyn is considering a return to school to pursue an MBA degree. - She expects the cost of books, tuition, and fees to be $70,000 the first year and $72,000 the second. - These costs are paid at the beginning of the year (as you surely know). - She will not work while in school. - Graduates of the school Carolyn is considering receive starting salaries that average $130,000. - Raises average 7 percent per year. - Carolyn considers the opportunity costs to be 12 percent. a)Determine the present value of Carolyns lifetime earnings if she does not return to school. b)Determine the present value of Carolyns lifetime earnings with an MBA degree. Remember, she wont start her job for two years. c) What is the NPV of an MBA degree given Carolyn Shaw's assumptions?